EP 2146449 A1 20100120 - DATA COMMUNICATION SYSTEM
Title (en)
DATA COMMUNICATION SYSTEM
Title (de)
DATENKOMMUNIKATIONSSYSTEM
Title (fr)
SYSTÈME DE COMMUNICATION DE DONNÉES
Publication
Application
Priority
- JP 2008055454 W 20080324
- JP 2007091852 A 20070330
- JP 2007137580 A 20070524
Abstract (en)
A transmission medium (2) such as a human body for transmitting an information signal via an electric field, a mobile device (1) including a sender for imparting the electric field in which the information signal is modulated to the transmission medium (2), a stationary device (3) including a receiver for detecting the electric field via the transmission medium (2) and demodulating the electric field into the information signal, a floor cover (4A) arranging the stationary device (3) and also being contacted by the transmission medium (2) are provided, the floor cover (4) has a communication area (41) contacted by the transmission medium (2) where a data communication is performed between the mobile device (1) and the stationary device (3), and the communication area (41) is in a state of being electrically floating with respect to the floor cover (4A).
IPC 8 full level
H04B 13/00 (2006.01)
CPC (source: EP US)
H04B 13/005 (2013.01 - EP US)
Citation (search report)
See references of WO 2008120601A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2146449 A1 20100120; CN 101669306 A 20100310; CN 101669306 B 20130501; JP 4231546 B2 20090304; JP WO2008120601 A1 20100715; US 2010009628 A1 20100114; US 8213859 B2 20120703; WO 2008120601 A1 20081009
DOCDB simple family (application)
EP 08722720 A 20080324; CN 200880007900 A 20080324; JP 2008055454 W 20080324; JP 2008542123 A 20080324; US 56209209 A 20090917